Ashli Haynes

When a mailman is killed, the team must work with an eccentric postal inspector; Maura continues to struggle with the ramifications of her injury; Korsak gets Kiki a terrible birthday present.

Kate and Toby head to Las Vegas to celebrate their bachelor and bachelorette parties. Meanwhile, Jack and Rebecca enjoy their anniversary.

Jen and Matt have an awkward dinner without their partners. Lark accidentally locks her parents out. Heather and Tim try their best to sneak wine into an ice skating show.